/**
 * Copyright 2012 Google Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.sblab.appengine.controller;

import java.io.IOException;
import java.util.List;

import javax.persistence.EntityManager;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;

import com.sblab.appengine.domain.Stadium;
import com.sblab.appengine.service.EMF;

@Controller
public class HibernateJpaController extends HttpServlet {
	
	@RequestMapping(value = "/jpa", method = RequestMethod.GET)
	public void doGet(HttpServletRequest req, HttpServletResponse res) throws IOException {
		res.setContentType("text/plain");

		EntityManager em = EMF.get().createEntityManager();

		// List all the rows.
		em.getTransaction().begin();
		List<Stadium> result = em.createQuery("FROM Stadium", Stadium.class).getResultList();
		for (Stadium g : result) {
			res.getWriter().println(
							g.getId() + " " +
							g.getName() + " " +
							g.getAddress());
		}
		em.getTransaction().commit();
		em.close();
	}
}
